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Connecting to Ethernet Section 5-1
6. To change the IP address, select the Use the following IP address Option
and set the IP address.
7. Click the Set to the Device Button. The NE1A-series Controller will auto-
matically begin using the updated settings for operation.
IMPORTANT Before downloading, confirm the device that is to be connected. If the node
address (the IP address) is not set correctly, an unintended device may be
connected and incorrect device parameters may be set.
IMPORTANT DNS is not supported for NE1A-series Controllers. In the TCP/IP settings, the
Do not use DNS Option must be selected.
TCP/IP Setting Details
The NE1A-series Controller’s TCP/IP Configuration settings include the fol-
lowing settings.
• IP address
• Subnet mask
• Default gateway
• Baud rate
IP Address
Sets the NE1A-series Controller’s local IP address.
Default IP address = 192.168.250.1
Subnet Mask
For the subnet mask, all bits corresponding to the bits in the IP address used
as either the net number or the subnet number are set to 1, and the bits corre-
sponding to the host number are set to 0. These settings must be made when
using an address conversion method other than the IP address table method.
If no subnet mask is set, or if an illegal value is set, the following values will be
used depending on the IP address class.
With the default setting (0.0.0.0), a subnet mask corresponding to the IP
address class is used.
Class Subnet mask
Class A 255.0.0.0
Class B 255.255.0.0
Class C 255.255.255.0
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